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/* Copyright (C) 2010 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Aken driver interface
*/
// Aken - custodian of the ferryboat to the underworld in Egyptian mythology,
// and a driver that shuttles between applications and kernel mode resources.
#ifndef INCLUDED_AKEN
#define INCLUDED_AKEN
#define AKEN_NAME L"Aken"
// device type
#define FILE_DEVICE_AKEN 53498 // in the "User Defined" range."
#define AKEN_IOCTL 0x800 // 0x800..0xFFF are for 'customer' use.
#define IOCTL_AKEN_READ_PORT CTL_CODE(FILE_DEVICE_AKEN, AKEN_IOCTL+0, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AKEN_WRITE_PORT CTL_CODE(FILE_DEVICE_AKEN, AKEN_IOCTL+1, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AKEN_MAP CTL_CODE(FILE_DEVICE_AKEN, AKEN_IOCTL+2, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AKEN_UNMAP CTL_CODE(FILE_DEVICE_AKEN, AKEN_IOCTL+3, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AKEN_READ_MSR CTL_CODE(FILE_DEVICE_AKEN, AKEN_IOCTL+4, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AKEN_WRITE_MSR CTL_CODE(FILE_DEVICE_AKEN, AKEN_IOCTL+5, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_AKEN_READ_PMC CTL_CODE(FILE_DEVICE_AKEN, AKEN_IOCTL+6, METHOD_BUFFERED, FILE_ANY_ACCESS)
// input and output data structures for the IOCTLs
#pragma pack(push, 1)
typedef struct AkenReadPortIn_
{
USHORT port;
UCHAR numBytes;
}
AkenReadPortIn;
typedef struct AkenReadPortOut_
{
DWORD32 value;
}
AkenReadPortOut;
typedef struct AkenWritePortIn_
{
DWORD32 value;
USHORT port;
UCHAR numBytes;
}
AkenWritePortIn;
typedef struct AkenMapIn_
{
// note: fixed-width types allow the 32 or 64-bit Mahaf wrapper to
// interoperate with the 32 or 64-bit Aken driver.
DWORD64 physicalAddress;
DWORD64 numBytes;
}
AkenMapIn;
typedef struct AkenMapOut_
{
DWORD64 virtualAddress;
}
AkenMapOut;
typedef struct AkenUnmapIn_
{
DWORD64 virtualAddress;
}
AkenUnmapIn;
typedef struct AkenReadRegisterIn_
{
DWORD64 reg;
}
AkenReadRegisterIn;
typedef struct AkenReadRegisterOut_
{
DWORD64 value;
}
AkenReadRegisterOut;
typedef struct AkenWriteRegisterIn_
{
DWORD64 reg;
DWORD64 value;
}
AkenWriteRegisterIn;
#pragma pack(pop)
#endif // #ifndef INCLUDED_AKEN
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